Help with gears
11-23-2012, 10:09 AM
#1
JK Newbie
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Help with gears
I have a 2012 JK with the 3.6 manual 6 speed and 3.73 gears. In the near future I plan on moving up from 33s to 37s and I know I have to regear. My question is what gears would get me back to the factory rpms. Thanks for any help Charlie
11-23-2012, 10:20 AM
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Location: Floral Park, LI, NY / Richmond, Va
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I'm in the same boat, '12 with a 6speed. After a bunch of deliberation, I had decided on 4.56 because I never planned on going more then 35"s. Now I'm picking up a Dana 44 front, and really debating going with 4.88 instead. Looking forward to seeing some input.
11-23-2012, 10:49 AM
#3
JK Super Freak
Remember, bigger tires means more rotational inertia - you should think about going a little deeper than just matching RPM. so if a 4.10 matches original RPM, think about a 4.56 or 4.88. It will also prep you should you choose to go to even bigger (it's gonna happen) tires.